id3lib 3.8.3
io_helpers.h
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1// -*- C++ -*-
2// $Id: io_helpers.h,v 1.7 2002/06/29 17:43:19 t1mpy Exp $
3
4// id3lib: a software library for creating and manipulating id3v1/v2 tags
5// Copyright 1999, 2000 Scott Thomas Haug
6
7// This library is free software; you can redistribute it and/or modify it
8// under the terms of the GNU Library General Public License as published by
9// the Free Software Foundation; either version 2 of the License, or (at your
10// option) any later version.
11//
12// This library is distributed in the hope that it will be useful, but WITHOUT
13// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
15// License for more details.
16//
17// You should have received a copy of the GNU Library General Public License
18// along with this library; if not, write to the Free Software Foundation,
19// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20
21// The id3lib authors encourage improvements and optimisations to be sent to
22// the id3lib coordinator. Please see the README file for details on where to
23// send such submissions. See the AUTHORS file for a list of people who have
24// contributed to id3lib. See the ChangeLog file for a list of changes to
25// id3lib. These files are distributed with id3lib at
26// http://download.sourceforge.net/id3lib/
27
28#ifndef _ID3LIB_IO_HELPERS_H_
29#define _ID3LIB_IO_HELPERS_H_
30
31#include "id3/id3lib_strings.h"
32#include "reader.h"
33#include "writer.h"
34
35namespace dami
36{
37 namespace io
38 {
42 {
43 ID3_Reader& _reader;
45 bool _locked;
46 public:
48 : _reader(rdr), _pos(rdr.getCur()), _locked(true)
49 { ; }
51 : _reader(rdr), _pos(pos)
52 { ; }
53 virtual ~ExitTrigger() { if (_locked) _reader.setCur(_pos); }
54
55 void release() { _locked = false; }
56 void update() { _pos = _reader.getCur(); }
57 void setExitPos(ID3_Reader::pos_type pos) { _pos = pos; }
58 };
59
61 ID3_C_EXPORT String readText(ID3_Reader&, size_t);
65 ID3_C_EXPORT BString readBinary(ID3_Reader&, size_t);
66 ID3_C_EXPORT uint32 readLENumber(ID3_Reader&, size_t);
67 ID3_C_EXPORT uint32 readBENumber(ID3_Reader&, size_t);
70
71 ID3_C_EXPORT size_t writeString(ID3_Writer&, String);
72 ID3_C_EXPORT size_t writeText(ID3_Writer&, String);
73 ID3_C_EXPORT size_t writeUnicodeString(ID3_Writer&, String, bool = true);
74 ID3_C_EXPORT size_t writeUnicodeText(ID3_Writer&, String, bool = true);
75 ID3_C_EXPORT size_t writeBENumber(ID3_Writer&, uint32 val, size_t);
76 ID3_C_EXPORT size_t writeTrailingSpaces(ID3_Writer&, String, size_t);
77 ID3_C_EXPORT size_t writeUInt28(ID3_Writer&, uint32);
78 };
79};
80
81#endif /* _ID3LIB_IO_HELPERS_H_ */
82
uint32 pos_type
Definition reader.h:38
ExitTrigger(ID3_Reader &rdr, ID3_Reader::pos_type pos)
Definition io_helpers.h:50
ExitTrigger(ID3_Reader &rdr)
Definition io_helpers.h:47
void setExitPos(ID3_Reader::pos_type pos)
Definition io_helpers.h:57
#define ID3_C_EXPORT
This file defines common macros, types, constants, and enums used throughout id3lib.
Definition globals.h:78
#define ID3_CPP_EXPORT
Definition globals.h:79
ID3_C_EXPORT size_t writeUInt28(ID3_Writer &, uint32)
ID3_C_EXPORT BString readAllBinary(ID3_Reader &)
ID3_C_EXPORT uint32 readLENumber(ID3_Reader &, size_t)
ID3_C_EXPORT uint32 readUInt28(ID3_Reader &)
ID3_C_EXPORT uint32 readBENumber(ID3_Reader &, size_t)
ID3_C_EXPORT size_t writeTrailingSpaces(ID3_Writer &, String, size_t)
ID3_C_EXPORT BString readBinary(ID3_Reader &, size_t)
ID3_C_EXPORT String readText(ID3_Reader &, size_t)
ID3_C_EXPORT String readUnicodeString(ID3_Reader &)
ID3_C_EXPORT size_t writeString(ID3_Writer &, String)
ID3_C_EXPORT size_t writeText(ID3_Writer &, String)
ID3_C_EXPORT String readString(ID3_Reader &)
ID3_C_EXPORT size_t writeUnicodeString(ID3_Writer &, String, bool=true)
ID3_C_EXPORT size_t writeBENumber(ID3_Writer &, uint32 val, size_t)
ID3_C_EXPORT String readUnicodeText(ID3_Reader &, size_t)
ID3_C_EXPORT String readTrailingSpaces(ID3_Reader &, size_t)
ID3_C_EXPORT size_t writeUnicodeText(ID3_Writer &, String, bool=true)